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Finding the Fourth Proportional to 14,446.01, 19,937.95 and 8,395.31

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Solution

The fourth proportional to 14,446.01, 19,937.95 and 8,395.31 is: 11,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.01 : 19,937.95 = 8,395.31 : x
  2. Step 2: Convert to fraction form
    14,446.01/19,937.95 = 8,395.31/x
  3. Step 3: Cross multiply
    14,446.01x = 19,937.95 × 8,395.31
  4. Step 4: Simplify right side
    14,446.01x = 167,385,299.87
  5. Step 5: Solve for x
    x = 167,385,299.87/14,446.01
  6. Step 6: Final answer
    x = 11,586.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.